MXPA04012325A - Acceso multiple por division de codigo ortogonal sobre el enlace de regreso de enlaces de satelite. - Google Patents

Acceso multiple por division de codigo ortogonal sobre el enlace de regreso de enlaces de satelite.

Info

Publication number
MXPA04012325A
MXPA04012325A MXPA04012325A MXPA04012325A MXPA04012325A MX PA04012325 A MXPA04012325 A MX PA04012325A MX PA04012325 A MXPA04012325 A MX PA04012325A MX PA04012325 A MXPA04012325 A MX PA04012325A MX PA04012325 A MXPA04012325 A MX PA04012325A
Authority
MX
Mexico
Prior art keywords
code
channel
propagation
access terminal
gate
Prior art date
Application number
MXPA04012325A
Other languages
English (en)
Spanish (es)
Inventor
Jalali Ahmad
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of MXPA04012325A publication Critical patent/MXPA04012325A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
MXPA04012325A 2002-06-24 2003-06-20 Acceso multiple por division de codigo ortogonal sobre el enlace de regreso de enlaces de satelite. MXPA04012325A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US39143802P 2002-06-24 2002-06-24
US10/428,953 US7633895B2 (en) 2002-06-24 2003-05-01 Orthogonal code division multiple access on return link of satellite links
PCT/US2003/019463 WO2004002009A2 (fr) 2002-06-24 2003-06-20 Acces multiple par repartition de code orthogonal (ocdma) sur une liaison de retour de liaisons par satellite

Publications (1)

Publication Number Publication Date
MXPA04012325A true MXPA04012325A (es) 2005-04-08

Family

ID=30003193

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04012325A MXPA04012325A (es) 2002-06-24 2003-06-20 Acceso multiple por division de codigo ortogonal sobre el enlace de regreso de enlaces de satelite.

Country Status (8)

Country Link
US (1) US7633895B2 (fr)
EP (1) EP1516444A2 (fr)
CN (1) CN100492938C (fr)
AU (1) AU2003243678A1 (fr)
BR (1) BR0312080A (fr)
CO (1) CO5631489A2 (fr)
MX (1) MXPA04012325A (fr)
WO (1) WO2004002009A2 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570627B2 (en) * 2005-03-11 2009-08-04 Freescale Semiconductor, Inc. Method for sharing bandwidth using reduced duty cycle signals and media access control
WO2006107988A1 (fr) * 2005-04-05 2006-10-12 Skybitz, Inc. Liaison retour multiple
US8855704B2 (en) * 2005-08-26 2014-10-07 Qualcomm Incorporated Fast cell selection in TD-CDMA (UMTS TDD)
US8130727B2 (en) * 2005-10-27 2012-03-06 Qualcomm Incorporated Quasi-orthogonal allocation of codes in TD-CDMA systems
US8068464B2 (en) * 2005-10-27 2011-11-29 Qualcomm Incorporated Varying scrambling/OVSF codes within a TD-CDMA slot to overcome jamming effect by a dominant interferer
US7792487B2 (en) * 2006-01-04 2010-09-07 Globalstar, Inc. Satellite communication system for communicating packet data messages
US7630682B2 (en) * 2006-01-04 2009-12-08 Globalstar, Inc. Satellite communication system employing a combination of time slots and orthogonal codes
US7711320B2 (en) * 2006-01-04 2010-05-04 Globalstar, Inc. Satellite communication system for communicating packet data messages
US20070155318A1 (en) * 2006-01-04 2007-07-05 Globalstar, Inc. Satellite communication system employing a combination of time slots and orthogonal codes
KR100965673B1 (ko) * 2006-11-15 2010-06-24 삼성전자주식회사 이동통신 시스템에서 데이터 송신 방법
US8036151B2 (en) * 2006-12-17 2011-10-11 Qualcomm Incorporated Power-based rate signaling for cellular uplink
CN101783702B (zh) * 2010-03-04 2013-06-12 清华大学 一种适用于卫星通信系统的信号传输方法
US8503353B2 (en) * 2010-11-05 2013-08-06 Qualcomm Incorporated Reverse link power and data rate control
CN102426300B (zh) * 2011-08-31 2013-08-28 西安空间无线电技术研究所 一种星载波束形成接收通道幅相误差校准系统及其方法
KR101519719B1 (ko) * 2013-08-14 2015-05-12 현대자동차주식회사 게이트웨이의 메시지 처리 방법
WO2016054111A1 (fr) * 2014-09-29 2016-04-07 Hughes Network Systems, Llc Gestion d'interférences entre passerelles et commande d'admission pour un système de communication par satellite cdma
US10158986B2 (en) * 2015-08-19 2018-12-18 Kabushiki Kaisha Toshiba Satellite communication system controlling gate in an emergency
EP3282598A1 (fr) 2016-08-12 2018-02-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Système de communication et transmetteur
GB2557628B (en) 2016-12-13 2020-01-01 Inmarsat Global Ltd Forward link power control
US10667188B2 (en) * 2017-06-21 2020-05-26 Qualcomm Incoporated Method and apparatus for multiplexing hybrid satellite constellations
US11425608B2 (en) * 2020-03-23 2022-08-23 At&T Intellectual Property I, L.P. Facilitating an interference leakage dependent resource reservation protocol in advanced networks
US11617108B2 (en) 2020-06-22 2023-03-28 At&T Intellectual Property I, L.P. Facilitating a transmission power dependent resource reservation protocol in advanced networks
CN116015402B (zh) * 2022-12-06 2024-08-27 航天科工空间工程网络技术发展(杭州)有限公司 一种卫星反向信道资源分配方法、装置及卫星通信系统

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535238A (en) * 1990-11-16 1996-07-09 Interdigital Technology Corporation Spread spectrum adaptive power control communications system and method
US5235615A (en) * 1991-05-22 1993-08-10 Cylink Corporation Spread spectrum method
MX9202593A (es) * 1991-05-29 1993-01-01 Communications Satellite Corp Red de acceso multiple de division de codigo completamente enlazada para terminales personales de comunicacion.
US5305468A (en) * 1992-03-18 1994-04-19 Motorola, Inc. Power control method for use in a communication system
US5216692A (en) * 1992-03-31 1993-06-01 Motorola, Inc. Method and apparatus for adjusting a power control threshold in a communication system
JP2974274B2 (ja) * 1994-05-12 1999-11-10 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および送信電力制御装置
US5918155A (en) * 1995-03-13 1999-06-29 Hitachi, Ltd. Satellite communication system and method thereof
US5710982A (en) * 1995-06-29 1998-01-20 Hughes Electronics Power control for TDMA mobile satellite communication system
US6816473B2 (en) * 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US6108317A (en) * 1995-11-01 2000-08-22 Stm Wireless, Inc. Cyclic code phase multiple access for inbound satellite communications
US5907813A (en) * 1995-11-30 1999-05-25 Qualcomm Incorporated Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub
US5991279A (en) * 1995-12-07 1999-11-23 Vistar Telecommunications Inc. Wireless packet data distributed communications system
DE69626404T2 (de) * 1995-12-07 2004-01-08 Vistar Telecommunications Inc., Ottawa Drahtloses verteiltes datenpaketübertragungssystem
US5835847A (en) * 1996-04-02 1998-11-10 Qualcomm Incorporated Pilot signal strength control for a low earth orbiting satellite communications system
US6396804B2 (en) * 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US6222828B1 (en) * 1996-10-30 2001-04-24 Trw, Inc. Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
US6542480B1 (en) * 1996-11-05 2003-04-01 Worldspace, Inc. Satellite payload processing system using polyphase demultiplexing, quadrature phase shift keying demodulation and rate alignment
US5771229A (en) * 1997-01-31 1998-06-23 Motorola, Inc. Method, system and mobile communication unit for communicating over multiple channels in a wireless communication system
US6212360B1 (en) * 1997-04-09 2001-04-03 Ge Capital Spacenet Services, Inc. Methods and apparatus for controlling earth-station transmitted power in a VSAT network
US5867525A (en) * 1997-06-10 1999-02-02 L-3 Commuications Corporation Synchronizer and method therefor and communications system incorporating same
US5974315A (en) * 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US6285655B1 (en) * 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
US6356595B1 (en) * 1997-10-14 2002-03-12 Sony Corporation Method and apparatus for decoding continuously coded convolutionally encoded messages
US6317412B1 (en) 1997-12-12 2001-11-13 Stanford Telecommunications, Inc. Increased capacity in an OCDMA system for frequency isolation
US8175120B2 (en) * 2000-02-07 2012-05-08 Ipr Licensing, Inc. Minimal maintenance link to support synchronization
US6373834B1 (en) * 1997-12-19 2002-04-16 Telefonaktiebolaget Lm Ericsson Synchronization for cellular telecommunications network
KR100269591B1 (ko) * 1998-07-23 2000-10-16 조정남 이동통신시스템에서의 역방향 동기 설정 방법 및 그를 이용한역방향 동기식 전송 방법
US6674730B1 (en) * 1998-08-04 2004-01-06 Tachyon, Inc. Method of and apparatus for time synchronization in a communication system
US6151328A (en) * 1998-12-31 2000-11-21 Lg Information & Communications Ltd. Apparatus and method for controlling power in code division multiple access system
US6771642B1 (en) * 1999-01-08 2004-08-03 Cisco Technology, Inc. Method and apparatus for scheduling packets in a packet switch
WO2000054430A1 (fr) * 1999-03-12 2000-09-14 Qualcomm Incorporated Procedes et appareil permettant d'allouer une puissance a un canal de commande de puissance de liaison retour d'un systeme de communication
CA2375896C (fr) * 1999-05-31 2006-04-04 Samsung Electronics Co., Ltd. Dispositif et procede de transmission commande par portes dans un systeme de communication amcr
US6542536B1 (en) * 1999-08-06 2003-04-01 General Electric Company Spread spectrum communications with selectable data transfer rates
EP1091506A3 (fr) 1999-10-01 2001-05-16 Ascom Systec AG Accès radio hybride CDMA/TDMA pour des systèmes de communication par satellite
US6643318B1 (en) * 1999-10-26 2003-11-04 Golden Bridge Technology Incorporated Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications
US6631124B1 (en) * 1999-11-03 2003-10-07 Ericsson Inc. Methods and apparatus for allocating resources in hybrid TDMA communication systems
US6545990B1 (en) * 1999-12-20 2003-04-08 Tantivy Communications, Inc. Method and apparatus for a spectrally compliant cellular communication system
US6996069B2 (en) * 2000-02-22 2006-02-07 Qualcomm, Incorporated Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
DE10008653A1 (de) * 2000-02-24 2001-09-06 Siemens Ag Verbesserungen an einem Funkkommunikationssystem
US6430418B1 (en) * 2000-06-19 2002-08-06 Trw Inc. Method and system for controlling uplink power in a satellite communication system using error leveling
JP3730217B2 (ja) * 2000-06-24 2005-12-21 サムスン エレクトロニクス カンパニー リミテッド 符号分割多重接続通信システムにおけるアップリンク同期伝送方式の同期化のための装置及び方法
US6763058B1 (en) * 2000-06-27 2004-07-13 Northrop Grumman Corporation Low signal to noise ratio acquisition and link characterization techniques for VSAT spread spectrum modems
US7054593B2 (en) * 2000-09-28 2006-05-30 The Boeing Company Return link design for PSD limited mobile satellite communication systems
US7154846B2 (en) * 2000-10-24 2006-12-26 Nortel Networks Limited Shared channel structure, ARQ systems and methods
GB2371947B (en) * 2001-02-01 2005-02-23 Fujitsu Ltd Communications systems
US7215653B2 (en) * 2001-02-12 2007-05-08 Lg Electronics Inc. Controlling data transmission rate on the reverse link for each mobile station in a dedicated manner
US7046719B2 (en) * 2001-03-08 2006-05-16 Motorola, Inc. Soft handoff between cellular systems employing different encoding rates
CA2380039C (fr) * 2001-04-03 2008-12-23 Samsung Electronics Co., Ltd. Methode de transmission de donnees de commande dans un systeme de communication mobile amrc
US6714760B2 (en) * 2001-05-10 2004-03-30 Qualcomm Incorporated Multi-mode satellite and terrestrial communication device
US6996056B2 (en) * 2001-05-31 2006-02-07 Nortel Networks Limited Method and apparatus for orthogonal code management in CDMA systems using smart antenna technology
EP1421757A4 (fr) * 2001-08-21 2009-12-09 Infineon Technologies Ag Procede et appareil permettant d'ameliorer les debits binaires dans des systemes de communication a etalement de spectre
US20030050072A1 (en) * 2001-09-06 2003-03-13 Anthony Noerpel Dark beam operation scenario
JP4155740B2 (ja) * 2002-01-11 2008-09-24 株式会社日立コミュニケーションテクノロジー 無線通信端末の送信電力制御方法及びそのための基地局
US7315536B2 (en) * 2004-08-09 2008-01-01 Telefonaktiebolaget Lm Ericsson (Publ) Uplink synchronization in a radio telecommunication system

Also Published As

Publication number Publication date
AU2003243678A1 (en) 2004-01-06
BR0312080A (pt) 2007-05-29
WO2004002009A2 (fr) 2003-12-31
WO2004002009A3 (fr) 2004-04-08
EP1516444A2 (fr) 2005-03-23
AU2003243678A8 (en) 2004-01-06
CN100492938C (zh) 2009-05-27
US7633895B2 (en) 2009-12-15
CO5631489A2 (es) 2006-04-28
US20040037238A1 (en) 2004-02-26
CN1663148A (zh) 2005-08-31

Similar Documents

Publication Publication Date Title
US7633895B2 (en) Orthogonal code division multiple access on return link of satellite links
US10638468B2 (en) Qualifying available reverse link coding rates from access channel power setting
KR100960760B1 (ko) 기지국과 타이밍 동기화를 수행하는 방법 및 장치
KR100965995B1 (ko) 타이밍 동기화를 지원하는 기지국 방법 및 장치
US5442625A (en) Code division multiple access system providing variable data rate access to a user
KR100877262B1 (ko) 통신시스템에서 순방향 전력을 제어하기 위한 방법 및장치
US7742788B2 (en) Method and apparatus for using switched multibeam antennas in a multiple access communication system
RU2260913C2 (ru) Управление мощностью в системе радиосвязи
JP3078330B2 (ja) Ｃｄｍａ通信システムにおける遠隔送信機電力制御
JP4773516B2 (ja) 遠隔基地局によりアップリンクをサポートするための方法および装置
US8160031B2 (en) Method for power control for mixed voice and data transmission
JP3343107B2 (ja) 基地局装置、通信端末装置及び通信方法
EP1208658A1 (fr) Procede et appareil de mise en forme de faisceaux dans un systeme de communications sans fil
KR20020001299A (ko) 이동통신 시스템의 링크적응 방법 및 장치
JP2010148121A (ja) 通信システムにおける利用可能な容量の使用を最大化するための方法及び装置
JP2002319885A (ja) 基地局装置及び無線通信方法
KR100429534B1 (ko) 이동통신시스템의 핸드오프시 역방향 전력제어채널의전송제어를 위한 방법 및 장치
US6661783B1 (en) CDMA transmission apparatus
JP2002058063A (ja) セルラシステム及び基地局
RU2260911C2 (ru) Устройство контроля и управления использованием ресурсов обратной линии системы спутниковой связи с кодовым многостанционным доступом